Guòqù de ēnyuàn, jiù yīfēngchuī ba.
Let's just let bygones be bygones.
Yǐqián de chéngnuò bù néng shuō yīfēngchuī jiù yīfēngchuī.
You can't just write off your old promises with a wave of the hand.
Jiù zhàng yīfēngchuī, cóng jīntiān chóngxīn kāishǐ.
Old debts are wiped clean — we start fresh today.